IT1043152B - PURIFICATION OF ACRYLIC ACID - Google Patents
PURIFICATION OF ACRYLIC ACIDInfo
- Publication number
- IT1043152B IT1043152B IT27998/75A IT2799875A IT1043152B IT 1043152 B IT1043152 B IT 1043152B IT 27998/75 A IT27998/75 A IT 27998/75A IT 2799875 A IT2799875 A IT 2799875A IT 1043152 B IT1043152 B IT 1043152B
- Authority
- IT
- Italy
- Prior art keywords
- purification
- acrylic acid
- acrylic
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/22—Accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/90—Particular type of heating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51264374A | 1974-10-07 | 1974-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1043152B true IT1043152B (en) | 1980-02-20 |
Family
ID=24039955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27998/75A IT1043152B (en) | 1974-10-07 | 1975-10-06 | PURIFICATION OF ACRYLIC ACID |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4156633A (en) |
| JP (1) | JPS5159813A (en) |
| AR (1) | AR206439A1 (en) |
| AU (1) | AU8548875A (en) |
| BE (1) | BE834267A (en) |
| BR (1) | BR7506505A (en) |
| CA (1) | CA1055873A (en) |
| CH (1) | CH601165A5 (en) |
| DE (1) | DE2544930A1 (en) |
| ES (1) | ES441531A1 (en) |
| FR (1) | FR2287437A1 (en) |
| GB (1) | GB1466209A (en) |
| IT (1) | IT1043152B (en) |
| LU (1) | LU73522A1 (en) |
| NL (1) | NL7511717A (en) |
| SE (1) | SE7511177L (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256675A (en) * | 1977-07-28 | 1981-03-17 | Celanese Corporation | Method for generating super atmospheric pressures of sensitive materials in a gas stream |
| IN151108B (en) * | 1978-09-13 | 1983-02-19 | Standard Oil Co | |
| US4365081A (en) * | 1980-05-20 | 1982-12-21 | Nippon Shokubai Kagaku Kogyo Co. Ltd. | Process for producing 2-hydroxyalkyl acrylates or methacrylates |
| US4999452A (en) * | 1989-05-15 | 1991-03-12 | Union Carbide Chemicals And Plastics Company Inc. | Process for producing acrylic ester |
| JP3289303B2 (en) * | 1992-03-06 | 2002-06-04 | 住友化学工業株式会社 | Acrolein manufacturing method |
| DE4436243A1 (en) * | 1994-10-11 | 1996-04-18 | Basf Ag | Process for the separation of (meth) acrylic acid from the reaction gas mixture of the catalytic gas phase oxidation C¶3¶ / C¶4¶ compounds |
| FR2735989B1 (en) * | 1995-06-29 | 1997-08-14 | Rhone Poulenc Nutrition Animal | PROCESS AND PLANT FOR PURIFYING A GAS FLOW CONTAINING ACROLEIN |
| JP3028925B2 (en) * | 1995-12-05 | 2000-04-04 | 株式会社日本触媒 | Method for producing acrylic acid |
| DE19627847A1 (en) * | 1996-07-10 | 1998-01-15 | Basf Ag | Process for the production of acrylic acid |
| DE19740253A1 (en) * | 1997-09-12 | 1999-03-18 | Basf Ag | Fractionating hot gas mixtures with a high non-condensables content |
| MY122671A (en) * | 1999-03-06 | 2006-04-29 | Basf Ag | Fractional condensation of a product gas mixture containing acrylic acid |
| US6500982B1 (en) * | 1999-06-28 | 2002-12-31 | Rohm And Haas Company | Process for preparing (meth) acrylic acid |
| US20040104108A1 (en) * | 2002-12-03 | 2004-06-03 | Mason Robert Michael | High capacity purification of thermally unstable compounds |
| CA2496100A1 (en) * | 2004-03-10 | 2005-09-10 | Afton Chemical Corporation | Power transmission fluids with enhanced extreme pressure characteristics |
| JP4732366B2 (en) * | 2004-08-02 | 2011-07-27 | エルジー・ケム・リミテッド | Method for producing (meth) acrylic acid |
| BRPI0722197B1 (en) * | 2007-11-08 | 2017-05-09 | Shell Int Research | process for treating a raw and natural gas stream, and background stream |
| CN110711401A (en) * | 2019-11-28 | 2020-01-21 | 福州大学 | Plate-type reaction rectifying tower |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002017A (en) * | 1959-07-13 | 1961-09-26 | Goodrich Co B F | Method for preparing acrylic acid |
| US3113851A (en) * | 1959-09-05 | 1963-12-10 | Kurashiki Rayon Co | Process for recovering vapors |
| US3405172A (en) * | 1962-12-19 | 1968-10-08 | Distillers Co Yeast Ltd | Preparation of acrylic acid with the prevention of formation of acrylic polymers |
| US3555082A (en) * | 1966-12-15 | 1971-01-12 | Knapsack Ag | Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein |
| DE2241714A1 (en) * | 1972-08-24 | 1974-03-28 | Basf Ag | PROCESS FOR THE SEPARATION OF ACRYLIC ACID FROM THE REACTION GASES OF PROPYLENE OR ACROLEIN OXYDATION |
-
1975
- 1975-01-01 AR AR260696A patent/AR206439A1/en active
- 1975-09-30 JP JP50117323A patent/JPS5159813A/ja active Pending
- 1975-10-03 FR FR7530367A patent/FR2287437A1/en active Granted
- 1975-10-06 NL NL7511717A patent/NL7511717A/en not_active Application Discontinuation
- 1975-10-06 LU LU73522A patent/LU73522A1/xx unknown
- 1975-10-06 CH CH1295175A patent/CH601165A5/xx not_active IP Right Cessation
- 1975-10-06 SE SE7511177A patent/SE7511177L/en unknown
- 1975-10-06 IT IT27998/75A patent/IT1043152B/en active
- 1975-10-06 CA CA237,092A patent/CA1055873A/en not_active Expired
- 1975-10-06 ES ES441531A patent/ES441531A1/en not_active Expired
- 1975-10-06 BR BR7506505*A patent/BR7506505A/en unknown
- 1975-10-06 GB GB4080375A patent/GB1466209A/en not_active Expired
- 1975-10-07 AU AU85488/75A patent/AU8548875A/en not_active Expired
- 1975-10-07 BE BE160747A patent/BE834267A/en unknown
- 1975-10-07 DE DE19752544930 patent/DE2544930A1/en not_active Withdrawn
-
1976
- 1976-07-29 US US05/709,841 patent/US4156633A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2287437A1 (en) | 1976-05-07 |
| CA1055873A (en) | 1979-06-05 |
| FR2287437B1 (en) | 1980-09-12 |
| LU73522A1 (en) | 1976-04-13 |
| NL7511717A (en) | 1976-04-09 |
| DE2544930A1 (en) | 1976-04-15 |
| BE834267A (en) | 1976-04-07 |
| JPS5159813A (en) | 1976-05-25 |
| AU8548875A (en) | 1977-04-21 |
| CH601165A5 (en) | 1978-06-30 |
| US4156633A (en) | 1979-05-29 |
| AR206439A1 (en) | 1976-07-23 |
| SE7511177L (en) | 1976-04-08 |
| BR7506505A (en) | 1976-08-10 |
| ES441531A1 (en) | 1977-03-16 |
| GB1466209A (en) | 1977-03-02 |
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